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https://issues.apache.org/jira/browse/HDFS-12318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Zhuge updated HDFS-12318:
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Attachment: HDFS-12318.002.patch
Thanks for the unit test!
+1 LGTM with minor comments:
* Rename unit test from {{testopenInfo}} to {{testOpenInfo}}, upper case "O"
* Wait for the minicluster to become active by calling {{cluster.waitActive()}}
* Make sure the cluster is always shut down upon exception
* Make sure input stream {{fin}} is always closed upon exception, using
try-with-resource
Since these changes are simple, I took the liberty to upload patch 002 with the
changes, hope you don't mind.
> Fix IOException condition for openInfo in DFSInputStream
> --------------------------------------------------------
>
> Key: HDFS-12318
> URL: https://issues.apache.org/jira/browse/HDFS-12318
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.0.0-beta1
> Reporter: legend
> Assignee: legend
> Attachments: HDFS-12318.001.patch, HDFS-12318.002.patch,
> HDFS-12318.patch
>
>
> when retriesForLastBlockLength == 0 and lastBlockBeingWrittenLength != -1,
> "openInfo" successfully obtains the last blcok locations, and the function
> still throws IOException.
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